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guy
It's called a business.
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Yes, that's true. However, as most reputable arborists would do, if a potential client asks for something, like topping, that isn't right, I'll attempt to educate them as to why it's bad, and offer alternatives. Works almost every time.
However, recently, I suggested topping about 10 of 25 mature firs, in a green belt, as an alternative to removal. (The rest will be removed to habitat snags.) The whole job is being done to alleviate hazards of the trees failing onto houses. By topping a few of these, and effectively creating living habitat trees, we will have kept a bit of greenery in the area. This contradicted what a consulting arborist told them, but this guy is very unethical. he will condemn a tree without even seeing it. Scott Baker knows of whom I speak, and feels the guy should be run outta town on a rail. He's even an ASCA member. Scott also agreed with my recommendations on this job.
This is pretty much what I do now, when working in NGPA's (Native Growth Protection Areas) Last spring, I topped a couple douglas firs, as thinning wouldn't have reduced enough sail area. Those two still could fail onto houses, but have thin canopies left, so that is unlikely. Of course, they will need to be monitored, and retopped or removed in a few years. Reality is, these two trees weren't that bad, but the nearby homeowners were concerned, and the [censored]'n mgr wants them to feel comfortable.